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- What is Passive Building?
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Our Approach
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  Phius CORE and Phius ZERO provide the path for constructing a Phius building from the ground up.
- Retrofit
  Upgrade existing buildings to Phius standards using Phius CORE REVIVE and Phius ZERO REVIVE.
- Commercial
  Phius standards aren't just for residential buildings. Phius CORE COMM and Phius ZERO COMM can be applied to any non-residential building.
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May 20 – 21

Phius Non-Res Summit 2025 - May 20th and 21st
Explore non-residential Phius certification at our virtual summit!
Upcoming Sessions
- Phius Certified Builder Training and Certification Exam | May 2025
  April 28 – May 9
- May Webinar: Best Practices - Building an Integrated Team
  May 6
- Phius Certified Builder Training and Certification Exam | Austin, TX | May 2025
  May 7 – 9
- Phius Certified Verifier Training | Boston, MA | May 2025
  May 8 – 14
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Passive Building
- What is Passive Building?
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  Passive isn't just for houses
Certifications
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  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
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  Phius Certified Products are guaranteed to perform to passive standards
  View Products
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  Phius Certified Professionals are on the cutting edge of high-performance building
  Find a Professional
Standards
Our Approach
- New Construction
  Phius CORE and Phius ZERO provide the path for constructing a Phius building from the ground up.
- Retrofit
  Upgrade existing buildings to Phius standards using Phius CORE REVIVE and Phius ZERO REVIVE.
- Commercial
  Phius standards aren't just for residential buildings. Phius CORE COMM and Phius ZERO COMM can be applied to any non-residential building.
Education
Categories
Upcoming Sessions
- Phius Certified Builder Training and Certification Exam | May 2025
  April 28 – May 9
- May Webinar: Best Practices - Building an Integrated Team
  May 6
- Phius Certified Builder Training and Certification Exam | Austin, TX | May 2025
  May 7 – 9
- Phius Certified Verifier Training | Boston, MA | May 2025
  May 8 – 14
May 20 – 21

Phius Non-Res Summit 2025 - May 20th and 21st
Explore non-residential Phius certification at our virtual summit!
Resources
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
- Tools and Support
  Providing the tools you need to create healthier buildings
  Resource Library
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Project Type

Addition
New Construction
Retrofit

Building Function

Single-Family
Multifamily
Mixed-Use
School / Education
Office
Dormitory
Government / Public
Hotel
Other Non-Residential

Location

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Japan
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Other
South Korea

Program Version

Phius CORE 2021
Phius CORE 2024
Phius CORE Prescription 2021
Phius CORE Prescriptive 2024
Phius ZERO 2024
Phius ZERO REVIVE 2021
Phius CORE Prescriptive 2021
Phius CORE REVIVE 2021
Phius ZERO 2021
PHIUS+ 2012
PHIUS+ 2015
PHIUS+ 2015 Source Zero
PHIUS+ 2018
PHIUS+ 2018 CORE
PHIUS+ 2018 Source Zero

Status

Design Certified
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Registered

ASHRAE Climate Zones

2A - Hot - Humid
6B - Cool - Dry
7A - Very Cold - Humid
7B - Very Cold - Dry
2B - Hot - Dry
3A - Warm - Humid
3B - Warm - Dry
3C - Warm - Marine
4A - Mixed - Humid
4C - Mixed - Marine
5A - Cool - Humid
5B - Cool - Dry
5C - Cool - Marine
6A - Cool - Humid
6B - Cool - Dry
7 - Very Cold

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